Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe
Resource
win10v2004-20240426-en
General
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Target
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe
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Size
4.1MB
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MD5
7ad1d8431b9ec699450e29997c7deed6
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SHA1
0139d223ee450a2a161bf8e7a7cc2b830d0fade6
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SHA256
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec
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SHA512
7728be4e38837c050769a7c7e3cedf78866e82034c8fc360a39c9f4b2a2f764ebd670dcb39a70c05fb0cde12db9f9f933325c7597cfc0b25684313e1da2c2432
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SSDEEP
98304:ValdxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3Qm:6xq6ggrt/os9O/WxuFhK+Am
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2564-2-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral1/memory/2564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2564-78-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4488-133-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/2564-135-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral1/memory/2564-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3272-216-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-226-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-229-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-232-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-235-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-238-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-241-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-244-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-247-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-250-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-253-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-256-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/3272-259-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 5052 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3272 csrss.exe 1508 injector.exe 4432 windefender.exe 3252 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4432-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3252-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4432-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3252-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3252-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3252-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe -
Drops file in Windows directory 4 IoCs
Processes:
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe File created C:\Windows\rss\csrss.exe 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3700 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2092 powershell.exe 2616 powershell.exe 1728 powershell.exe 4124 powershell.exe 1124 powershell.exe 4168 powershell.exe 1076 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2720 schtasks.exe 4676 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exepowershell.exe51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1076 powershell.exe 1076 powershell.exe 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 2092 powershell.exe 2092 powershell.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe 2616 powershell.exe 2616 powershell.exe 1728 powershell.exe 1728 powershell.exe 4124 powershell.exe 4124 powershell.exe 1124 powershell.exe 1124 powershell.exe 4168 powershell.exe 4168 powershell.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 3272 csrss.exe 3272 csrss.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 3272 csrss.exe 3272 csrss.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 3272 csrss.exe 3272 csrss.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1076 powershell.exe Token: SeDebugPrivilege 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Token: SeImpersonatePrivilege 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 4124 powershell.exe Token: SeDebugPrivilege 1124 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeSystemEnvironmentPrivilege 3272 csrss.exe Token: SeSecurityPrivilege 3700 sc.exe Token: SeSecurityPrivilege 3700 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2564 wrote to memory of 1076 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 2564 wrote to memory of 1076 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 2564 wrote to memory of 1076 2564 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 2092 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 2092 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 2092 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 1244 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe cmd.exe PID 4488 wrote to memory of 1244 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe cmd.exe PID 1244 wrote to memory of 5052 1244 cmd.exe netsh.exe PID 1244 wrote to memory of 5052 1244 cmd.exe netsh.exe PID 4488 wrote to memory of 2616 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 2616 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 2616 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 1728 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 1728 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 1728 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe powershell.exe PID 4488 wrote to memory of 3272 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe csrss.exe PID 4488 wrote to memory of 3272 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe csrss.exe PID 4488 wrote to memory of 3272 4488 51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe csrss.exe PID 3272 wrote to memory of 4124 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 4124 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 4124 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 1124 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 1124 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 1124 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 4168 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 4168 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 4168 3272 csrss.exe powershell.exe PID 3272 wrote to memory of 1508 3272 csrss.exe injector.exe PID 3272 wrote to memory of 1508 3272 csrss.exe injector.exe PID 4432 wrote to memory of 400 4432 windefender.exe cmd.exe PID 4432 wrote to memory of 400 4432 windefender.exe cmd.exe PID 4432 wrote to memory of 400 4432 windefender.exe cmd.exe PID 400 wrote to memory of 3700 400 cmd.exe sc.exe PID 400 wrote to memory of 3700 400 cmd.exe sc.exe PID 400 wrote to memory of 3700 400 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe"C:\Users\Admin\AppData\Local\Temp\51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1076
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C:\Users\Admin\AppData\Local\Temp\51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe"C:\Users\Admin\AppData\Local\Temp\51d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2092
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:5052
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1728
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4124
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2720
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1124
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4168
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1508
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4676
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:400 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3252
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd26189f338c992ecd23fa9992683ff9
SHA143f473dc2a8a1c0e55746d905cd8d9350462d11d
SHA256b1498fa7961efe60109e8955b29197cdbe130503f478163642f2cedf0cae0119
SHA512137d116d26681e7f811e75820a5d86fe73aa686b9746abefb8309343c85a9f2812571b40183f8887022c69af366e0571dcd122acfee6f68f708d8783599552b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59694be7e0a586e6c0ca0fb22d401d29f
SHA13cb7ae8b0fa60983beecbaafac2e63a7a791bf72
SHA2567c7d008c0c189e1ff3f0fc45716d34459755beafe6167f9eba10350ae7d2336f
SHA512c74db05f7b01bfb20d6c083aa61cdc4cf1829b771c2016d194451d92d4040d76b089bd633253699612de51f159032174bb548bb12c158289ae9f5d38a844077c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531410aa828820080f61610df61cf47d5
SHA1ee8fc073b7b8e773cf1ab12be3d7718aababc00c
SHA256e9ab98a23f3be7a3251402d42f114b41d28b05b329e2c4c39c632182656695ef
SHA5120e67fc90f68ec97ad2afc62e4b3adbde9527dc1f8ee06f80bc4e3671c713820ddb0952c828038c02ef3352fdba7c5f88c7d9e8affb5d0c64c3aaf8ca9f08a153
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5985593467e4a441106adff82dc2d6eac
SHA13975cce494c4ed12f938872724b68dacab0ad9aa
SHA25691ddf1d0735c4ab009a6b1d3c7060bed9a813de7885162c1e3dc488868e81bd6
SHA5124e95960fcf34ac8115185cb05b0ba790214612e79cc7dd04a5f96bffccff9fa4f9c9610055a5516f2f26d17e0dd974781ac626dac3134606836fb7a1e2c06e96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd5bb86da158e56bf17a2f2ea8b4180a
SHA12f8671bb680b5d95c1b62a2be7969335695ffe40
SHA256a57a0b248abfbe3b8829533fc73f52386d1ca965148e722b03ce328ebbc7ee57
SHA51282685c0167576842f818c16fdb445c93b9a5cdf855d01cfd479126a246f4ae27c1f11b9aab4f5d4048bde9d4218382f8802bb993857d27f520abb78b7da77067
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Filesize
4.1MB
MD57ad1d8431b9ec699450e29997c7deed6
SHA10139d223ee450a2a161bf8e7a7cc2b830d0fade6
SHA25651d91d0caf282ff0972c218156482f98d3a8cc949dad9ee3489c0e2fc7d092ec
SHA5127728be4e38837c050769a7c7e3cedf78866e82034c8fc360a39c9f4b2a2f764ebd670dcb39a70c05fb0cde12db9f9f933325c7597cfc0b25684313e1da2c2432
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec